CN216975750U - Parking mechanism of transmission system - Google Patents
Parking mechanism of transmission system Download PDFInfo
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- CN216975750U CN216975750U CN202220383052.1U CN202220383052U CN216975750U CN 216975750 U CN216975750 U CN 216975750U CN 202220383052 U CN202220383052 U CN 202220383052U CN 216975750 U CN216975750 U CN 216975750U
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- pawl
- parking
- shaft
- transmission system
- gear
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Abstract
The utility model relates to a part of a transmission system, in particular to a parking mechanism of the transmission system, which comprises a parking gear, a pawl component matched with the parking gear, an operating shaft component for driving the pawl component to act and a transmission component for connecting the operating shaft component and the pawl component, wherein the parking gear is fixedly arranged on a power output shaft, the pawl component comprises a pawl, a pawl shaft matched with the pawl, a pawl spring and a pawl supporting shaft, and the position of the pawl corresponds to the position of the parking gear. According to the utility model, a certain gear fixedly assembled on the power output shaft is also used as a parking gear, the pawl is adopted for matching, the proper parking control force is adjusted through the elastic force of the spring, the parking function is realized, and on the basis of a transmission system with gears, the arrangement of a parking mechanism is realized without increasing the axial space; the parking control force is easy to adjust, the force value is small, the operation is comfortable, the structure is simple, and the cost is low.
Description
Technical Field
The utility model relates to a part of a transmission system, in particular to a parking mechanism of the transmission system.
Background
There are two ways to park the present tractor transmission system,
the other one is a mechanical brake system of the whole vehicle, a set of parking control mechanism is added, and the parking function is realized through the braking action. The parking mechanism is only suitable for a mechanical brake mechanism and cannot be applied to hydraulic brake vehicle models; the friction force of the mechanical brake mechanism is very large, and the parking control force is overlarge;
the other type is that a friction mechanism assembly is added on a power output shaft, the separation of the friction mechanism is realized through a parking control system, the parking function is realized, the friction mechanism is arranged on the power output shaft, the axial space requirement is large, the length of a transmission system is lengthened, and the axle distance of the whole vehicle is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the parking system in the prior art, the utility model provides a gear for fastening and assembling a power output shaft, which is also used as a parking gear, the gear is matched with a pawl, the proper parking control force is adjusted through the elasticity of a spring, the parking function is realized, and the arrangement of a parking mechanism is realized without increasing axial space on the basis of a transmission system with arranged gears; the parking control force is easy to adjust, the force value is small, the operation is comfortable, the structure is simple, and the cost is low.
The technical scheme of the utility model is as follows: the parking mechanism of the transmission system comprises a parking gear, a pawl assembly matched with the parking gear, an operating shaft assembly driving the pawl assembly to act and a transmission assembly connected with the operating shaft assembly and the pawl assembly, wherein the parking gear is fixedly mounted on a power output shaft, the pawl assembly comprises a pawl, a pawl shaft matched with the pawl, a pawl spring and a pawl supporting shaft, and the position of the pawl corresponds to the position of the parking gear.
According to the utility model, a certain gear fixedly assembled on the power output shaft is also used as a parking gear, the pawl is adopted for matching, the proper parking operating force is adjusted through the elasticity of the spring, the parking function is realized, and the parking mechanism is arranged without increasing the axial space on the basis of a transmission system with a gear arrangement; the parking control force is easy to adjust, the force value is small, the operation is comfortable, the structure is simple, and the cost is low.
Preferably, the transmission assembly comprises a support arm connected with the pawl support shaft, a support arm spring and a rocker arm matched with the support arm 5, and a rocker arm support matched with the rocker arm, and the position of the operating shaft assembly corresponds to the position of the rocker arm.
This kind of structure ensures that the drive assembly can be fine transmits the power of steering spindle subassembly to the pawl subassembly.
Preferably, the operating shaft assembly comprises an operating shaft, an operating handle connected to one end of the operating shaft and a shifting block connected to the other end of the operating shaft, and the rocker arm is provided with a shifting block groove matched with the shifting block.
The structure is convenient for the operation of the operation shaft assembly, and ensures the operation stability.
Preferably, a pawl limiting plate is arranged on the pawl supporting shaft, one end of the support arm 5 is connected with the pawl limiting plate through a pin shaft, a limiting track for pushing the pawl to rotate on the pawl shaft is arranged on the pawl limiting plate, and a track pulley matched with the limiting track is arranged on the pawl.
The structure ensures that the support arm and the support arm spring push the pawl to rotate more stably and reliably through the pawl limiting plate.
Preferably, the power is transmitted to the power output shaft through a gear pair on the power input shaft and then is output to the tail end transmission gear pair to drive wheels; when the pawl is meshed with a parking gear on the power output shaft, the power output shaft stops rotating, and the parking function is achieved.
Preferably, the rocker arm support comprises a horizontal mounting plate at the top and a vertical mounting plate which is formed by bending and mounting, the rocker arm is supported on the vertical mounting plate, and the horizontal mounting plate is provided with a plurality of mounting screws.
The structure facilitates the installation of the rocker arm support, and ensures the support stability of the rocker arm.
According to the utility model, a certain gear fixedly assembled on the power output shaft is also used as a parking gear, the pawl is adopted for matching, the proper parking operating force is adjusted through the elasticity of the spring, the parking function is realized, and the parking mechanism is arranged without increasing the axial space on the basis of a transmission system with a gear arrangement; the parking control force is easy to adjust, the force value is small, the operation is comfortable, the structure is simple, and the cost is low.
Drawings
FIG. 1 is a schematic structural view of a use state of the present invention;
FIG. 2 is a side view of the present invention in use;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of a pawl limit plate according to the present invention;
in the figure, 1, a pawl shaft, 2, a pawl spring, 3, a pawl supporting shaft, 4, a pawl, 5, a support arm, 6, a support arm spring, 7, a rocker arm, 8, a rocker arm support, 9, a shifting block, 10, an operating handle, 11, a power input shaft, 12, a power output shaft, 13, a parking gear, 14, a transmission gear pair, 15, an operating shaft, 16, a pawl limiting plate, 17, a pin shaft, 18, a limiting track and 19, a track pulley are arranged.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, but the present invention is not limited thereto.
As shown in fig. 1-4, the parking mechanism of a transmission system comprises a parking gear 13, a pawl assembly matched with the parking gear 13, an operating shaft assembly driving the pawl assembly to act, and a transmission assembly connecting the operating shaft assembly and the pawl assembly, wherein the parking gear 13 is fixedly installed on a power output shaft 12, the pawl assembly comprises a pawl 4, a pawl shaft 1 matched with the pawl 4, a pawl spring 2 and a pawl supporting shaft 3, and the position of the pawl 4 corresponds to the position of the parking gear 13.
The transmission assembly comprises a support arm 5 connected with the pawl supporting shaft 3, a support arm spring 6 and a rocker arm 7 matched with the support arm 5, and a rocker arm support 8 matched with the rocker arm 7, and the position of the operating shaft assembly corresponds to that of the rocker arm 7.
The control shaft assembly comprises a control shaft 15, a control handle 10 connected to one end of the control shaft 15 and a shifting block 9 connected to the other end of the control shaft 15, and a shifting block groove matched with the shifting block 9 is formed in the rocker arm 7.
The pawl supporting shaft 3 is provided with a pawl limiting plate 16, one end of the supporting arm 5 is connected with the pawl limiting plate 16 through a pin shaft 17, the pawl limiting plate 16 is provided with a limiting track 18 for pushing the pawl 4 to rotate on the pawl shaft 1, and the pawl 4 is provided with a track pulley 19 matched with the limiting track 18.
The power is transmitted to a power output shaft 12 through a gear pair on a power input shaft 11 and then is output to a tail end transmission gear pair 14 to drive wheels; when the pawl 4 is meshed with the parking gear 13 on the power output shaft 12, the power output shaft 12 stops rotating, and the parking function is achieved.
The rocker arm support 8 comprises a horizontal mounting plate at the top and a vertical mounting plate which is formed by bending and mounting, the rocker arm 7 is supported on the vertical mounting plate, and the horizontal mounting plate is provided with a plurality of mounting screws.
When the rocker arm type ratchet wrench works, the pawl shaft is fixed, the pawl supporting shaft is fixed, and the rocker arm support is fixed.
When the whole vehicle needs a parking function, the control shaft assembly is moved, the shifting head 9 enters a shifting head groove of the rocker arm 7, the rocker arm 7 is rotated, the pawl limiting plate 16 is driven to rotate on the pawl supporting shaft 3 under the action of torsional resistance of the arm spring 6 through the supporting arm 5, the pawl 4 slides back and forth on the limiting track 18 of the pawl limiting plate 16 through the track pulley 19, when the vehicle slides to the high position of the limiting track 18, the pawl 4 overcomes the resistance of the pawl spring 2, rotates on the pawl shaft 1 and is meshed with the gear teeth of the parking gear 13, the power output shaft 12 stops rotating, and the parking function is achieved.
When the parking function of the whole vehicle is not needed, the control shaft assembly is moved, and the shifting block 9 is separated from and connected with the shifting block groove of the rocker arm 7. Under the action of the arm spring 6 and the pawl spring 2, the track pulley 19 slides to the lower part of the limit track 18, the pawl 4 leaves the gear teeth of the parking gear 13, and the power output shaft 12 can rotate under the action of input power.
Claims (6)
1. A parking mechanism of a transmission system is characterized in that: the parking device comprises a parking gear (13), a pawl assembly matched with the parking gear (13), an operating shaft assembly driving the pawl assembly to act and a transmission assembly connecting the operating shaft assembly and the pawl assembly, wherein the parking gear (13) is tightly mounted on a power output shaft (12), the pawl assembly comprises a pawl (4), a pawl shaft (1) matched with the pawl (4), a pawl spring (2) and a pawl supporting shaft (3), and the position of the pawl (4) corresponds to the position of the parking gear (13).
2. A parking mechanism of a transmission system according to claim 1, characterized in that: the transmission assembly comprises a support arm (5) connected with the pawl support shaft (3), a support arm spring (6) and a rocker arm (7) matched with the support arm (5), and a rocker arm support (8) matched with the rocker arm (7), and the position of the control shaft assembly corresponds to the position of the rocker arm (7).
3. A parking mechanism of a transmission system according to claim 2, characterized in that: the operating shaft assembly comprises an operating shaft (15), an operating handle (10) connected to one end of the operating shaft (15) and a shifting block (9) connected to the other end of the operating shaft (15), and a shifting block groove matched with the shifting block (9) is formed in the rocker arm (7).
4. A parking mechanism of a transmission system according to claim 2, characterized in that: be equipped with pawl limiting plate (16) on pawl back shaft (3), the one end of support arm (5) is connected with pawl limiting plate (16) through round pin axle (17), be equipped with on pawl limiting plate (16) and promote pawl (4) pivoted spacing orbit (18) on pawl axle (1), be equipped with orbit pulley (19) of cooperation spacing orbit (18) on pawl (4).
5. A parking mechanism of a transmission system according to claim 1, characterized in that: the power is transmitted to a power output shaft (12) through a gear pair on a power input shaft (11) and then is output to a tail end transmission gear pair (14) to drive wheels; when the pawl (4) is meshed with a parking gear (13) on the power output shaft (12), the power output shaft (12) stops rotating, and the parking function is achieved.
6. A parking mechanism of a transmission system according to claim 2, characterized in that: the rocker arm support (8) comprises a horizontal mounting plate at the top and a vertical mounting plate which is formed by bending and mounting, the rocker arm (7) is supported on the vertical mounting plate, and a plurality of mounting screws are arranged on the horizontal mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383052.1U CN216975750U (en) | 2022-05-27 | 2022-05-27 | Parking mechanism of transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220383052.1U CN216975750U (en) | 2022-05-27 | 2022-05-27 | Parking mechanism of transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975750U true CN216975750U (en) | 2022-07-15 |
Family
ID=82356511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220383052.1U Active CN216975750U (en) | 2022-05-27 | 2022-05-27 | Parking mechanism of transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975750U (en) |
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2022
- 2022-05-27 CN CN202220383052.1U patent/CN216975750U/en active Active
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